#ifndef MINIMALMEMORYMANAGER_H
#define MINIMALMEMORYMANAGER_H

#include "unified_memory_interfaces.h"
#include "fileidentitymanager.h"
#include "unifiedcachemanager.h"
#include <QFile>
#include <QDebug>

// 最小化统一内存管理器实现，提供基本的缓存加载功能

// 简化的统一缓存加载服务
class SimpleCacheLoadingService : public ICacheLoadingService {
public:
    LoadResult loadFromCache(const QString& fileIdentity, int pageIndex) override;
    bool isCacheAvailable(const QString& fileIdentity, int pageIndex) const override;
    
    // 支持缩略图的加载
    LoadResult loadThumbnailFromCache(const QString& fileIdentity, int pageIndex);
};

// 简化的内存管理器（先让编译通过）
class MinimalUnifiedMemoryManager : public IUnifiedMemoryManager {
private:
    std::unique_ptr<ICacheLoadingService> m_cacheService;
    QString m_currentFileIdentity;
    QObject* m_mainWindow;  // 用于获取当前文件标识
    
public:
    explicit MinimalUnifiedMemoryManager(QObject* mainWindow = nullptr);
    
    void registerPool(ContentType type, size_t maxMemoryBytes) override;
    QImage getImage(ContentType type, int index, int currentFocus = -1) override;
    void setCurrentFocus(ContentType type, int focus) override;
    size_t getMemoryUsage(ContentType type) const override;
    void setMemoryStrategy(ContentType type, std::unique_ptr<IMemoryStrategy> strategy) override;
    
    // 设置当前文件标识（临时方法）
    void setCurrentFileIdentity(const QString& fileIdentity);
    
private:
    QString getCurrentFileIdentity() const;
};

#endif // MINIMALMEMORYMANAGER_H